Metal Cutting Reciprocating Blade with WeldTec, 6 in x 0.738 in, 14 TPI, 50 PK ORS NASCO Tight tolerances for snug fit Tight tolerances for snug fit on fastener Used wherever powered drive tools are used to install or remove fasteners Designed to withstand the high torque and force associated with impact tools in repetitive application Features two through holes and a groove to accept a Proto Retaining Ring or pin and O ring to help secure the socket to the drive tool anvil Position at appropriate angle to turn fasteners where obstructions prevent a straight application soil resistant closed cell foam skin prevents dirt build up Bell shape delivers maximum in ear comfort Also available in small size 2 to 13 mm) thick Bi metal construction for faster cutting and added durability Precision set teeth for faster stainless and sheet metal Use with materials 1 8 in to 1 2 in (3